Files
bettafish-company/SingleEngineApp/query_engine_streamlit_app.py
T
2025-08-24 00:54:38 +08:00

194 lines
6.2 KiB
Python

"""
Streamlit Web界面
为Query Agent提供友好的Web界面
"""
import os
import sys
import streamlit as st
from datetime import datetime
import json
# 添加src目录到Python路径
sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..'))
from QueryEngine import DeepSearchAgent, Config
from config import DEEPSEEK_API_KEY, TAVILY_API_KEY
def main():
"""主函数"""
st.set_page_config(
page_title="Query Agent",
page_icon="",
layout="wide"
)
st.title("Query Agent")
st.markdown("具备强大网页搜索能力的AI代理")
# ----- 配置被硬编码 -----
# 强制使用 DeepSeek
llm_provider = "deepseek"
model_name = "deepseek-chat"
# 默认高级配置
max_reflections = 2
max_content_length = 20000
# 主界面
col1, col2 = st.columns([2, 1])
with col1:
st.header("研究查询")
query = st.text_area(
"请输入您要研究的问题",
placeholder="例如:2025年人工智能发展趋势",
height=100
)
with col2:
st.header("状态信息")
if 'agent' in st.session_state and hasattr(st.session_state.agent, 'state'):
progress = st.session_state.agent.get_progress_summary()
st.metric("总段落数", progress['total_paragraphs'])
st.metric("已完成", progress['completed_paragraphs'])
st.progress(progress['progress_percentage'] / 100)
else:
st.info("尚未开始研究")
# 执行按钮
col1_btn, col2_btn, col3_btn = st.columns([1, 1, 1])
with col2_btn:
start_research = st.button("开始研究", type="primary", use_container_width=True)
# 验证配置
if start_research:
if not query.strip():
st.error("请输入研究查询")
return
# 由于强制使用DeepSeek,检查相关的API密钥
if not DEEPSEEK_API_KEY:
st.error("请在您的配置文件(config.py)中设置DEEPSEEK_API_KEY")
return
if not TAVILY_API_KEY:
st.error("请在您的配置文件(config.py)中设置TAVILY_API_KEY")
return
# 自动使用配置文件中的API密钥
deepseek_key = DEEPSEEK_API_KEY
tavily_key = TAVILY_API_KEY
# 创建配置
config = Config(
deepseek_api_key=deepseek_key,
openai_api_key=None,
tavily_api_key=tavily_key,
default_llm_provider=llm_provider,
deepseek_model=model_name,
openai_model="gpt-4o-mini", # 保留默认值以兼容
max_reflections=max_reflections,
max_content_length=max_content_length,
output_dir="query_engine_streamlit_reports"
)
# 执行研究
execute_research(query, config)
def execute_research(query: str, config: Config):
"""执行研究"""
try:
# 创建进度条
progress_bar = st.progress(0)
status_text = st.empty()
# 初始化Agent
status_text.text("正在初始化Agent...")
agent = DeepSearchAgent(config)
st.session_state.agent = agent
progress_bar.progress(10)
# 生成报告结构
status_text.text("正在生成报告结构...")
agent._generate_report_structure(query)
progress_bar.progress(20)
# 处理段落
total_paragraphs = len(agent.state.paragraphs)
for i in range(total_paragraphs):
status_text.text(f"正在处理段落 {i + 1}/{total_paragraphs}: {agent.state.paragraphs[i].title}")
# 初始搜索和总结
agent._initial_search_and_summary(i)
progress_value = 20 + (i + 0.5) / total_paragraphs * 60
progress_bar.progress(int(progress_value))
# 反思循环
agent._reflection_loop(i)
agent.state.paragraphs[i].research.mark_completed()
progress_value = 20 + (i + 1) / total_paragraphs * 60
progress_bar.progress(int(progress_value))
# 生成最终报告
status_text.text("正在生成最终报告...")
final_report = agent._generate_final_report()
progress_bar.progress(90)
# 保存报告
status_text.text("正在保存报告...")
agent._save_report(final_report)
progress_bar.progress(100)
status_text.text("研究完成!")
# 显示结果
display_results(agent, final_report)
except Exception as e:
st.error(f"研究过程中发生错误: {str(e)}")
def display_results(agent: DeepSearchAgent, final_report: str):
"""显示研究结果"""
st.header("研究结果")
# 结果标签页(已移除下载选项)
tab1, tab2 = st.tabs(["最终报告", "详细信息"])
with tab1:
st.markdown(final_report)
with tab2:
# 段落详情
st.subheader("段落详情")
for i, paragraph in enumerate(agent.state.paragraphs):
with st.expander(f"段落 {i + 1}: {paragraph.title}"):
st.write("**预期内容:**", paragraph.content)
st.write("**最终内容:**", paragraph.research.latest_summary[:300] + "..."
if len(paragraph.research.latest_summary) > 300
else paragraph.research.latest_summary)
st.write("**搜索次数:**", paragraph.research.get_search_count())
st.write("**反思次数:**", paragraph.research.reflection_iteration)
# 搜索历史
st.subheader("搜索历史")
all_searches = []
for paragraph in agent.state.paragraphs:
all_searches.extend(paragraph.research.search_history)
if all_searches:
for i, search in enumerate(all_searches):
with st.expander(f"搜索 {i + 1}: {search.query}"):
st.write("**URL:**", search.url)
st.write("**标题:**", search.title)
st.write("**内容预览:**",
search.content[:200] + "..." if len(search.content) > 200 else search.content)
if search.score:
st.write("**相关度评分:**", search.score)
if __name__ == "__main__":
main()